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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/AbstractStaticStateArtifact.java @ 4157:44d27b8bb0bc

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Store a StaticState class in staticstate member variable To be able to access StaticState methods we need a StaticState calls instead of a State here.
author Björn Ricks <bjoern.ricks@intevation.de>
date Tue, 16 Oct 2012 15:47:36 +0200
parents 4e1b3b4ef132
children a699d6c42a8b
rev   line source
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4e1b3b4ef132 Add new Artifacts and State for displaying discharge curves at a gauge
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1 package de.intevation.flys.artifacts;
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2
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3 import java.util.ArrayList;
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4 import java.util.List;
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5
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6 import de.intevation.artifactdatabase.state.State;
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7
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8 import de.intevation.flys.artifacts.states.StaticState;
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9
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10 /**
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11 * A abstract baseclass for Artifacts which are using only one static state.
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12 *
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13 * This class is intended to be used without the config/stateengine to generate
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14 * the static state.
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15 *
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16 * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a>
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17 */
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18 public abstract class AbstractStaticStateArtifact extends StaticFLYSArtifact {
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19
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20 private transient StaticState staticstate;
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21
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22 /**
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23 * Get a list containing the one and only State.
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24 * @param context ignored.
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25 * @return list with one and only state.
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26 */
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27 @Override
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28 protected List<State> getStates(Object context) {
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29 ArrayList<State> states = new ArrayList<State>();
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30 states.add(getStaticState());
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31 return states;
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32 }
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33
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34
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35 /**
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36 * Get the "current" state.
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37 * @param cc ignored.
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38 * @return always the set static state.
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39 */
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40 @Override
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41 public State getCurrentState(Object cc) {
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42 return getStaticState();
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43 }
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44
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45 /**
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46 * A child class must override this method to set its static state
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47 */
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48 protected abstract void initStaticState();
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49
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50 protected void setStaticState(StaticState state) {
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51 this.staticstate = state;
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52 }
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53
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54 protected StaticState getStaticState() {
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55 if (staticstate == null) {
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56 initStaticState();
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57 }
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58 return staticstate;
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59 }
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60
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61 /**
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62 * Get the state.
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63 * @param context ignored.
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64 * @param stateID ignored.
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65 * @return the state.
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66 */
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67 @Override
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68 protected State getState(Object context, String stateID) {
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69 return getStaticState();
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70 }
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71 }
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